the prosecution. 11 of the 12 defendants convicted. this is the most appalling decision i ve ever seen. i don t see how you send educators to prison. reporter: the verdict came after months of testimony from more than 150 witnesses, students, teachers, and parents about manipulation of test scores, while some teachers received bonuses to improve test results throughout the district. this 16-year-old, not shown because she s a minor, testified a teacher instructed her to change her answer. one former teacher described a cheating party at her home. reporter: the alleged ringleader, former superintendent beverly hall was never tried. she died of cancer last month and always maintained her innocence.
and changing answers on standardized tests. we ve been fighting for the children in our community, particularly those children who were deprived by this scandal. reporter: a major victory for the prosecution. 11 of the 12 defendants convicted. this is the most appalling decision i ve ever seen. i don t see how you send educators to prison. reporter: the verdict came after months of testimony from more than 150 witnesses, students teachers and parents about manipulation of test scores, while some teachers received bonuses to improve test results throughout the district. this 16-year-old, not shown because she s a minor, testified a teacher instructed her to change her answer. one former teacher described a cheating party at her home.